Palladium-Catalyzed Reactions of Propargylic Compounds …
Novel palladium-catalyzed reactions of propargyl carbonates with carbonucleophiles under neutral conditions
Synthesis of η 3-Propargyl Rhenium Complexes.
Rapid Access to Spirocyclized Indolenines via Palladium-Catalyzed Cascade Reactions of Tryptamine Derivatives and Propargyl Carbonate, Organic Letters 2014, 16, 3480-3483.
Reich 8.1 Introduction 233 8.2 Mechanistic Issues 235 8.3 Alkylation 247 8.4 Benzylation 253 8.5 Allylation 255 8.6 Allenylation/Propargylation 260 8.7 Alkynylation 261 8.8 Arylation 262 8.9 Vinylation 263 8.10 Cyanation 264 8.11 Summary 275 9 Bifunctional Lewis Base Catalysis with Dual Activation of X3Si-Nu and C=)O 281 9.1 Addition of Allyltrichlorosilanes to Aldehydes 281 9.2 Aldol Additions of Trichlorosilyl Enol Ethers Derived from Ketones, Aldehydes, and Esters 293 10 Bifunctional Lewis Base Catalysis with Dual Activation of R-M and C=O 339 10.1 Introduction 339 10.2 Activation of C-Zn and Related C-Mg by a Simple Lewis Base 340 10.3 Lewis Base-Activated C-Zn + C 10.4 Role of Dimeric Organozinc Species 345 10.5 Scope of Carbonyl Substrates in Catalytic Asymmetric Organozinc Addition Reaction 350 10.6 Anionic Lewis Base Activation in Mg(II) and Zn(II) Ate Complexes 372 10.7 Summary 382 11 The Corey-Bakshi-Shibata Reduction: Mechanistic and Synthetic Considerations - Bifunctional Lewis Base Catalysis with Dual Activation 387Christopher J.
Synthesis through Palladium-Catalyzed ..
We present the mild and facile synthesis of oxazole compounds through the Pd-catalyzed cycloisomerization/allylation reaction of propargyl amide derivatives with allyl carbonates. Thus, in the presence of Pd2(dba)3-Cy3P catalyst, imidazolium salt, and Cs2CO3, propargyl amides react with allyl carbonates to give the corresponding 2,5-disubstituted oxazoles having homoallyl groups. Although the incorporation of aryl and acyl groups into the oxazole derivatives by Pd-catalyzed reaction of propargyl amides have been reported by several research groups, the present reaction provides us with new and useful incorporation procedure of unsaturated side chain into the oxazole derivatives, which are prevalent in a wide variety of biologically active compounds and synthetic intermediates.
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questions and projects in Organic Synthesis
A palladium-catalyzed propargyl substitution reaction of propargyl acetates with indium organothiolates is developed for the synthesis of multisubstituted allenyl sulfides. This procedure can be applied to the synthesis of multisubstituted furans and pyrroles via tandem palladium-catalyzed propargyl substitution and cycloisomerization reaction in one pot.
Switchable Synthesis of Pyrroles and Its Bicyclic Analogues.
Conventional methods usually consist of cyclocondensation reactions
The palladium-catalyzed reactions giving allenynes from propargyl compounds and alkynes are usually performed in ..
based on the palladium catalyzed intramolecular amino ..
Palladium-Catalyzed Three-Component Reaction of Propargyl Carbonates, ..
Palladium Reagents and Catalysts: New Perspectives …
Palladium Reagents and Catalysts: New Perspectives for ..
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